Remove warnings and fix a windows bug with CtfTmfTrace.getName()

[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf.ui / src / org / eclipse / linuxtools / tmf / ui / viewers / timeAnalysis / widgets / TraceCtrl.java

/*****************************************************************************\r
 * Copyright (c) 2007, Intel Corporation.\r
 * All rights reserved. This program and the accompanying materials\r
 * are made available under the terms of the Eclipse Public License v1.0\r
 * which accompanies this distribution, and is available at\r
 * http://www.eclipse.org/legal/epl-v10.html\r
 *\r
 * Contributors:\r
 *    Intel Corporation - Initial API and implementation\r
 *    Ruslan A. Scherbakov, Intel - Initial API and implementation\r
 *    Alvaro Sanchex-Leon - Udpated for TMF\r
 *\r
 * $Id: TraceCtrl.java,v 1.2 2007/02/27 18:37:36 ewchan Exp $ \r
 *****************************************************************************/\r
\r
package org.eclipse.linuxtools.tmf.ui.viewers.timeAnalysis.widgets;\r
\r
import org.eclipse.swt.SWT;\r
import org.eclipse.swt.events.PaintEvent;\r
import org.eclipse.swt.events.PaintListener;\r
import org.eclipse.swt.graphics.Color;\r
import org.eclipse.swt.graphics.Rectangle;\r
import org.eclipse.swt.widgets.Canvas;\r
import org.eclipse.swt.widgets.Composite;\r
\r
public abstract class TraceCtrl extends Canvas implements PaintListener {\r
\r
	static public final int MARGIN = 4;\r
    static public final int RIGHT_MARGIN = 2; // 2 pixels less to make sure end time is visible\r
	static public final int SMALL_ICON_SIZE = 16;\r
\r
	protected TraceColorScheme _colors;\r
	protected int _fontHeight = 0;\r
\r
	public TraceCtrl(Composite parent, TraceColorScheme colors) {\r
		this(parent, colors, SWT.NO_BACKGROUND | SWT.NO_FOCUS);\r
	}\r
\r
	public TraceCtrl(Composite parent, TraceColorScheme colors, int style) {\r
		super(parent, style);\r
		_colors = colors;\r
		addPaintListener(this);\r
	}\r
\r
	@Override\r
	public void dispose() {\r
		super.dispose();\r
	}\r
\r
	@Override\r
	public void paintControl(PaintEvent e) {\r
		if (e.widget != this)\r
			return;\r
		_fontHeight = e.gc.getFontMetrics().getHeight();\r
		Rectangle bound = getClientArea();\r
		if (!bound.isEmpty()) {\r
			Color colBackup = e.gc.getBackground();\r
			paint(bound, e);\r
			e.gc.setBackground(colBackup);\r
		}\r
	}\r
\r
	public int getFontHeight() {\r
		return _fontHeight;\r
	}\r
\r
	abstract void paint(Rectangle bound, PaintEvent e);\r
}\r